Doctor profile · Federal record

Dr. Tracy Loudon, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Hinsdale, IL

  • NPI 1053607424
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
120 N Oak St
Hinsdale, IL 605213829
(630) 856-6700
Additional location
1000 W Carson St
Torrance, CA 905022004
(310) 222-3501
fax (310) 782-1763
Mailing address
1424 W Grand Ave Apt 1
Chicago, IL 606427418

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
August 11, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A122252

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053607424. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
466
Distinct HCPCS
3
Medicare allowed
$85,578
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 317 316 $188
99284 Emergency department visit with moderate level of medical decision making 77 75 $128
99291 Critical care, first 30-74 minutes 72 71 $225

In context: peer comparison

Among 6 peers in this city , average services per provider: 78. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Paratek Pharmaceuticals, Inc. 1 $17.13

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
79
Total drug cost
$567
Drug Type Claims Patients Total cost
Cephalexin Generic 34 33 $267
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 23 $100
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 12 $145
Ondansetron Odt (Ondansetron) Brand 11 11 $55

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tracy Loudon's medical specialty?
Dr. Tracy Loudon practices Emergency Medicine Physician in Hinsdale, IL.
Where does Dr. Tracy Loudon practice?
Dr. Tracy Loudon practices at 120 N Oak St, Hinsdale, IL 605213829. Office phone: 6308566700.
What is Dr. Tracy Loudon's NPI?
Dr. Tracy Loudon's National Provider Identifier (NPI) is 1053607424, issued by NPPES.
Does Dr. Tracy Loudon accept Medicare assignment?
Yes. Dr. Tracy Loudon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tracy Loudon commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.